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Groundwater levels for the Nation

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Agency code = usgs
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  • 403815073414102
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USGS 403815073414102 N 3866. 2

Nassau County, New York
Latitude  40°38'16", Longitude  73°41'42" NAD27
Land-surface elevation 6.0 feet above NGVD29
The depth of the well is 412 feet below land surface.
The depth of the hole is 452 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Magothy Aquifer (211MAGT) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
Reselect period
Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
1969-05-06 D62610 1.68NGVD29 OUSGSSA
1969-05-06 D62611 0.58NAVD88 OUSGSSA
1969-05-06 D720194.32   OUSGSSA
1969-10-27 D62610 2.84NGVD29 OUSGSSA
1969-10-27 D62611 1.74NAVD88 OUSGSSA
1969-10-27 D720193.16   OUSGSSA
1971-03-16 D62610 2.71NGVD29 OUSGSSA
1971-03-16 D62611 1.61NAVD88 OUSGSSA
1971-03-16 D720193.29   OUSGSSA
1971-10-07 D62610 2.67NGVD291OUSGSSA
1971-10-07 D62611 1.57NAVD881OUSGSSA
1971-10-07 D720193.33  1OUSGSSA
1971-12-29 D62610 2.39NGVD291OUSGSSA
1971-12-29 D62611 1.29NAVD881OUSGSSA
1971-12-29 D720193.61  1OUSGSSA
1972-03-22 D62610 2.30NGVD291OUSGSSA
1972-03-22 D62611 1.20NAVD881OUSGSSA
1972-03-22 D720193.70  1OUSGSSA
1972-07-28 D62610 2.99NGVD291OUSGSSA
1972-07-28 D62611 1.89NAVD881OUSGSSA
1972-07-28 D720193.01  1OUSGSSA
1972-10-04 D62610 2.70NGVD291OUSGSSA
1972-10-04 D62611 1.60NAVD881OUSGSSA
1972-10-04 D720193.30  1OUSGSSA
1987-11-2716:15 UTCm62610 1.76NGVD291OUSGSSA
1987-11-2716:15 UTCm62611 0.66NAVD881OUSGSSA
1987-11-2716:15 UTCm720194.24  1OUSGSSA
1988-04-0516:10 UTCm62610 2.17NGVD294OUSGSSA
1988-04-0516:10 UTCm62611 1.07NAVD884OUSGSSA
1988-04-0516:10 UTCm720193.83  4OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracymDate is accurate to the Minute
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
StatusThe reported water-level measurement represents a static level
Status1Static
Status4Groundwater level affected by tide
Method of measurementOObserved.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.